This report provides a summary of the results and validation of an analysis of Sentinel-1 satellite imagery to estimate flood extent over time in Bangladesh from June - August 2020. This analysis is focused on flooding within five selected districts: Bogra, Gaibandha, Jamalpur, Kurigram and Sirajganj. The interactive figure below provides an overview of this study area and highlights ‘permanent’ sections of the Jamuna River along with the locations of GloFAS/FFWC measurement stations.